From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D1FABC433F5 for ; Mon, 9 May 2022 06:18:07 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 93055817F2; Mon, 9 May 2022 06:18:07 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XQQJkP8V9S4R; Mon, 9 May 2022 06:18:06 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp1.osuosl.org (Postfix) with ESMTPS id 905BC817AD; Mon, 9 May 2022 06:18:06 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6542DC0032; Mon, 9 May 2022 06:18:06 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [IPv6:2605:bc80:3010::138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 57165C002D for ; Mon, 9 May 2022 06:18:05 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 44B2E817F2 for ; Mon, 9 May 2022 06:18:05 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DpDLBZqeIpUJ for ; Mon, 9 May 2022 06:18:04 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by smtp1.osuosl.org (Postfix) with ESMTPS id A1A6C817AD for ; Mon, 9 May 2022 06:18:04 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id EFE0668AFE; Mon, 9 May 2022 08:18:00 +0200 (CEST) Date: Mon, 9 May 2022 08:18:00 +0200 From: Christoph Hellwig To: Stefano Stabellini Subject: Re: [PATCH] swiotlb-xen: fix DMA_ATTR_NO_KERNEL_MAPPING on arm Message-ID: <20220509061800.GC17190@lst.de> References: <20220423171422.1831676-1-hch@lst.de> <20220428132737.GA13999@lst.de> <27d39d5a-3b79-bdda-b7e4-f4477667919f@oracle.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: jgross@suse.com, iommu@lists.linux-foundation.org, xen-devel@lists.xenproject.org, Boris Ostrovsky , Rahul Singh , Christoph Hellwig , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Thu, Apr 28, 2022 at 03:49:53PM -0700, Stefano Stabellini wrote: > On one hand, Linux doesn't boot on a platform without this fix. On the > other hand, I totally see that this patch could introduce regressions on > x86 so I think it is fair that we are careful with it. > > >From my point of view, it might be better to wait for 5.19 and mark it > as backport. Sounds good to me. Based on the other mails I assume you want me to take it through the dma-mapping tree, so I will do that tomorrow unless I hear otherwise. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2DA7CC433EF for ; Mon, 9 May 2022 06:18:22 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.324213.546166 (Exim 4.92) (envelope-from ) id 1nnwib-0007sx-FB; Mon, 09 May 2022 06:18:05 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 324213.546166; Mon, 09 May 2022 06:18:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nnwib-0007sq-Bs; Mon, 09 May 2022 06:18:05 +0000 Received: by outflank-mailman (input) for mailman id 324213; Mon, 09 May 2022 06:18:04 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nnwia-0007sk-Fu for xen-devel@lists.xenproject.org; Mon, 09 May 2022 06:18:04 +0000 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id c80371db-cf5f-11ec-a406-831a346695d4; Mon, 09 May 2022 08:18:03 +0200 (CEST) Received: by verein.lst.de (Postfix, from userid 2407) id EFE0668AFE; Mon, 9 May 2022 08:18:00 +0200 (CEST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c80371db-cf5f-11ec-a406-831a346695d4 Date: Mon, 9 May 2022 08:18:00 +0200 From: Christoph Hellwig To: Stefano Stabellini Cc: Boris Ostrovsky , Christoph Hellwig , jgross@suse.com, xen-devel@lists.xenproject.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, Rahul Singh Subject: Re: [PATCH] swiotlb-xen: fix DMA_ATTR_NO_KERNEL_MAPPING on arm Message-ID: <20220509061800.GC17190@lst.de> References: <20220423171422.1831676-1-hch@lst.de> <20220428132737.GA13999@lst.de> <27d39d5a-3b79-bdda-b7e4-f4477667919f@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) On Thu, Apr 28, 2022 at 03:49:53PM -0700, Stefano Stabellini wrote: > On one hand, Linux doesn't boot on a platform without this fix. On the > other hand, I totally see that this patch could introduce regressions on > x86 so I think it is fair that we are careful with it. > > >From my point of view, it might be better to wait for 5.19 and mark it > as backport. Sounds good to me. Based on the other mails I assume you want me to take it through the dma-mapping tree, so I will do that tomorrow unless I hear otherwise. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5A60AC433F5 for ; Mon, 9 May 2022 06:19:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8EiBmQzXXsrkJMtWaGDoxMwcZWgUMlJEVl0pwr6Mvd4=; b=ImN/OaEt1XZoX6 xlnUOgOCJNWL9ZbAkixPjoUo8rmGRB1w8aKYS6Ma/jXwbtvMWcXmt5Mj8mCEej/NC8nlc5Nw0wJRg uojpRcsbuxFRMhR74d5cwFZAFEVNfCgLQm59i22TtnKD5sy8Zh6XLnkVh5glgGj1lPrpzC36O4vhH IBEMmSQCOGe4d7zpddAf+sPQ2ZO/L3Fq9YgUCSRT5BsebJuEcQu5QlYTBgHEWwHRD/GExFu/cXqTa gifZy32zS4JS8dizsAe4y2tLqAUk3k9yYPOkSgeJskcgoUKBaVUVVpU1c7WpRKn6caZzzG2spjSrf GQctNLg7sqjS+cbTve3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnwij-00Ccqt-PC; Mon, 09 May 2022 06:18:13 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnwia-00Ccoj-04 for linux-arm-kernel@lists.infradead.org; Mon, 09 May 2022 06:18:05 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id EFE0668AFE; Mon, 9 May 2022 08:18:00 +0200 (CEST) Date: Mon, 9 May 2022 08:18:00 +0200 From: Christoph Hellwig To: Stefano Stabellini Cc: Boris Ostrovsky , Christoph Hellwig , jgross@suse.com, xen-devel@lists.xenproject.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, Rahul Singh Subject: Re: [PATCH] swiotlb-xen: fix DMA_ATTR_NO_KERNEL_MAPPING on arm Message-ID: <20220509061800.GC17190@lst.de> References: <20220423171422.1831676-1-hch@lst.de> <20220428132737.GA13999@lst.de> <27d39d5a-3b79-bdda-b7e4-f4477667919f@oracle.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220508_231804_223254_DA9D692E X-CRM114-Status: GOOD ( 15.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Apr 28, 2022 at 03:49:53PM -0700, Stefano Stabellini wrote: > On one hand, Linux doesn't boot on a platform without this fix. On the > other hand, I totally see that this patch could introduce regressions on > x86 so I think it is fair that we are careful with it. > > >From my point of view, it might be better to wait for 5.19 and mark it > as backport. Sounds good to me. Based on the other mails I assume you want me to take it through the dma-mapping tree, so I will do that tomorrow unless I hear otherwise. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel